217697930

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{1153}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 398822400

約数和(自身を除く): 181124470

約数列:

[1, 2, 5, 10, 79, 158, 239, 395, 478, 790, 1153, 1195, 2306, 2390, 5765, 11530, 18881, 37762, 91087, 94405, 182174, 188810, 275567, 455435, 551134, 910870, 1377835, 2755670, 21769793, 43539586, 108848965, 217697930]

約数ペア:

[(1, 217697930), (2, 108848965), (5, 43539586), (10, 21769793), (79, 2755670), (158, 1377835), (239, 910870), (395, 551134), (478, 455435), (790, 275567), (1153, 188810), (1195, 182174), (2306, 94405), (2390, 91087), (5765, 37762), (11530, 18881)]